package com.gao.spring.proxy;

/**
 * @Projectname SSM
 * @Filename Calculator
 * @Author an
 * @Data 2022/8/1 20:05
 * @Description TODO
 */
public interface Calculator {

    int add(int i, int j);

    int sub(int i, int j);

    int mul(int i, int j);

    int div(int i, int j);
}